<template>
    <el-container class="layout-container">
        <el-header class="el-header">
            <el-dropdown placement="bottom-end">
                <span class="el-dropdown__box">
                    <div>
                        <strong>当前⽤⼾：</strong> {{ loginUser.nickName }}
                    </div>
                    <el-icon>
                        <ArrowDownBold />
                    </el-icon>
                    <!-- <el-icon>
                        <Menu />
                    </el-icon> -->
                </span>
                <template #dropdown>
                    <el-dropdown-menu>
                        <el-dropdown-item @click="logout" :icon="SwitchButton">退出登录</el-dropdown-item>
                    </el-dropdown-menu>
                </template>
            </el-dropdown>
        </el-header>
        <el-main class="layout-bottom-box">
            <div class="left">
                <el-aside width="200px" class="el-aside">
                    <el-menu class="el-menu" router>
                        <el-menu-item index="/oj/layout/cuser">
                            <el-icon>
                                <Management />
                            </el-icon>
                            <span>⽤⼾管理</span>
                        </el-menu-item>
                        <el-menu-item index="/oj/layout/question">
                            <el-icon>
                                <Management />
                            </el-icon>
                            <span>题⽬管理</span>
                        </el-menu-item>
                        <el-menu-item index="/oj/layout/exam">
                            <el-icon>
                                <Management />
                            </el-icon>
                            <span>竞赛管理</span>
                        </el-menu-item>
                    </el-menu>
                </el-aside>
            </div>
            <!-- 二级路由 -->
            <div class="right">
                <RouterView />
            </div>
        </el-main>
    </el-container>
</template>
<script setup>
import { getUserInfoService,logoutService } from '@/apis/suser';
import router from '@/router';
import { reactive } from 'vue';
import { removeToken } from '@/utils/cookie';
import {
    Management,
    ArrowDownBold,
    SwitchButton
} from '@element-plus/icons-vue'



// reactive响应式对象 
const loginUser = reactive({
    nickName: ''
});

// 异步函数 async 
// 异步函数返回的是promise对象，需要用await等待返回结果
async function getUserInfo() {
   const userInfo =  await getUserInfoService();
   loginUser.nickName = userInfo.data.nickName;
}
getUserInfo()

async function logout() {
    // 退出登录
    await ElMessageBox.confirm(
    '确认退出?',
    '温馨提示',
    {
      confirmButtonText: '确认',
      cancelButtonText: '退出',
      type: 'warning',
    }
  )
  await logoutService()
  removeToken()
  router.push('/oj/login')
}

</script>

<style lang="scss" scoped>
.layout-container {
    height: 100vh;
    background: #f7f7f7;

    .layout-bottom-box {
        display: flex;
        justify-content: space-between;
        height: calc(100vh - 100px);
        overflow: hidden;

        .left {
            margin-right: 20px;
            background: #fff;
            display: flex;

            :deep(.el-menu) {
                flex: 1;

                .el-menu-item.is-active {
                    color: #32c5ff;
                }

                .el-menu-item:hover {
                    background: #fff;
                    color: #32c5ff;
                }
            }
        }

        .right {
            flex: 1;
            overflow-y: auto;
            background: #fff;
            padding: 20px;
        }
    }

    .el-aside {
        background-color: #fff;

        &__logo {
            height: 120px;
            // background: url('@/assets/logo.png') no-repeat center / 120px auto;
        }

        .el-menu {
            border-right: none;
        }
    }

    .el-header {
        background-color: #fff;
        display: flex;
        align-items: center;
        justify-content: flex-end;
        height: 40px;

        .el-dropdown__box {
            display: flex;
            align-items: center;

            .el-icon {
                color: #4c4141;
                margin-left: 20px;
            }

            &:active,
            &:focus {
                outline: none;
            }
        }
    }

    .el-footer {
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        color: #666;
    }
}
</style>